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Honda Civic Service Manual: Rear Knuckle Removal and Installation (Disc Brake)

Honda Civic Service Manual / Chassis / Brakes / Disc Brakesъ / Rear Knuckle Removal and Installation (Disc Brake) / Rear Knuckle Removal and Installation (Disc Brake)

4181C3 LEFT


4181C4 RIGHT


4181C2 BOTH

1. Rear Knuckle/Hub Bearing Unit Exploded View

Exploded View

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NOTE: Refer to the Exploded View as needed during the following procedures.

1. Vehicle Lift

1.

Raise the vehicle on a lift, and make sure it is securely supported.

2. Rear Wheel

1.

Remove the rear wheel.

3. Rear Brake Caliper - Detach


1.

Release the parking brake lever fully.

2.

Remove the brake hose mounting bolt (A).

3.

Remove the caliper assembly (B).

NOTE:

To prevent damage to the caliper assembly or brake hose, use a short piece of wire to hang the caliper assembly from the undercarriage.

Do not twist the brake hose and the parking brake cable excessively.

4. Rear Brake Disc

1.

Remove the brake disc (A).

NOTE: If the brake disc is stuck to the hub bearing unit, thread two 8 x 1.25 mm bolts (B) into the brake disc to push it away from the hub bearing unit. Turn each bolt 90 degrees at a time to prevent the brake disc from binding.

5. Rear Hub Bearing Unit


1.

Remove the hub bearing unit (A).

2.

For some models: Remove the O-ring (B).

6. Rear Splash Guard

1.

Remove the splash guard (A).

7. Rear Wheel Speed Sensor, Brake Hose Mounting Bracket, and Parking Brake Cable Mounting


1.

Remove the wheel speed sensor (A).

NOTE: Do not disconnect the wheel speed sensor connector.

2.

Remove the brake hose mounting bracket (B).

3.

Remove the parking brake cable mounting bolt (C).

8. Rear Trailing Arm - Jack Support

1.

Place a floor jack under the trailing arm to support it.

NOTE: Do not place the jack against the plate section of the lower arm. Be careful not to damage any suspension components.

9. Rear Upper Arm Knuckle Side - Disconnection

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1.

Remove the flange bolt (A).

2.

Disconnect the upper arm (B) from the knuckle (C).

10. Rear Knuckle Upper Bracket

1.

Remove the rear knuckle upper bracket (A).

11. Rear Trailing Arm Knuckle Side - Disconnection


1.

Mark the cam positions of the adjusting bolt (A) with the frame.

2.

Mark the cam positions of the adjusting cam plate (B) with the frame.

3.

Remove the self-locking nut (C), the adjusting cam plate, and the adjusting bolt.

4.

Remove the flange bolt (D).

5.

Disconnect the knuckle from the trailing arm.


NOTE: Refer to the Exploded View as needed during the following procedures.

1. Rear Trailing Arm Knuckle Side - Reconnection

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1.

Connect the knuckle to the trailing arm.

2.

Loosely install the new flange bolt (A).

3.

Loosely install the new self-locking nut (B), the adjusting cam plate (C), and the new adjusting bolt (D).

NOTE: Align the cam positions of the adjusting bolt and the adjusting cam plate with the marked positions when tightening the self-locking nut.

2. Rear Knuckle Upper Bracket

1.

Install the rear knuckle upper bracket (A).

3. Rear Upper Arm Knuckle Side - Reconnection

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1.

Connect the upper arm (A) to the knuckle (B).

2.

Loosely install the new flange bolt (C).

4. Rear Suspension All Mounting - Tighten Under Vehicle's Weight

1.

Raise the rear suspension with a floor jack to load the vehicle weight.

2.

Tighten all mounting hardware to the specified torque.

5. Rear Wheel Speed Sensor, Brake Hose Mounting Bracket, and Parking Brake Cable Mounting

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1.

Install the parking brake cable mounting bolt (A).

2.

Install the brake hose mounting bracket (B).

3.

Install the wheel speed sensor (C).

6. Rear Splash Guard

1.

Install the splash guard (A).

7. Rear Hub Bearing Unit


1.

For some models: Install the new O-ring (A).

2.

Install the hub bearing unit (B).

8. Rear Brake Disc

1.

Install the brake disc (A).

NOTE: Before installing the brake disc, clean the mating surfaces between the hub bearing unit and the inside of the brake disc.

9. Rear Brake Caliper - Reattach


1.

Install the caliper assembly (A).

NOTE: Make sure the washers (B) are in position.

2.

Install the brake hose mounting bolt (C).

10. Rear Wheel

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1.

Install the rear wheel.

NOTE: Before installing the wheel, clean the mating surfaces between the brake disc or the brake drum and the inside of the wheel.

11. Pre-Alignment Checks

For proper inspection and adjustment of the wheel alignment, do these checks:

1.

Release the parking brake to avoid an incorrect measurement.

2.

Make sure the suspension is not modified.

3.

Make sure the fuel tank is full, and that the tire repair kit, the spare tire, the jack, and the tools are in place on the vehicle.

4.

Check the tire size and tire pressure according to tire information.

12. Camber - Inspection

Use commercially available computerized four wheel alignment equipment to measure wheel alignment (caster, camber, toe, and turning angle). Follow the equipment manufacturer's instructions.

1.

Check the camber angle.

USA and Canada models

Camber angle:
 

Except Si:
   

Front:

0 ° 00 ’±30 ’
   

Rear:

-0 ° 45 ’±45 ’
 

Si (Without 18 inch wheel):
   

Front:

-0 ° 04 ’±30 ’
   

Rear:

-0 ° 52 ’±45 ’
 

Si (With 18 inch wheel):
   

Front:

-0 ° 18 ’±30 ’
   

Rear:

-0 ° 45 ’±45 ’

(Maximum difference between the front right and left side: 0 ° 45 ’)

Mexico models

Camber angle:
 

Front:

0 ° 20 ’±30 ’
 

Rear:

-0 ° 22 ’±45 ’

(Maximum difference between the front right and left side: 0 ° 45 ’)

If the measurement is within specification, measure the toe-in.

If the measurement for the front camber is not within the specification, go to front camber adjustment.

If the measurement for the rear camber is not within the specification, check for bent or damaged suspension components.

13. Rear Toe - Inspection

Use commercially available computerized four wheel alignment equipment to measure wheel alignment (caster, camber, toe, and turning angle). Follow the equipment manufacturer's instructions.

1.

Release the parking brake to avoid an incorrect measurement.

2.

Check the toe.

Rear toe-in: 2+2-1 mm (0.08+0.08-0.04 in)

If adjustment is required, go to the rear toe adjustment.

If no adjustment is required, go to front toe inspection.

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